| Answer | Crossword Clue |
|---|---|
| radiotracers | RADIOTRACER, a radioactive tracer |
| radiotracer | a radioactive tracer |
| radiochemistry | a branch of chemistry dealing with radioactive substances and phenomena including tracer studies |
| scintigraphy | A technique in which a scintillation counter or similar detector is used with a radioactive tracer to obtain an image of a bodily organ or a record of its functioning |
